Despite its age, the software contains robust tools that match modern basic vector programs.
It's almost certainly a reference to FlexiSIGN Pro version 7.5 V2. The "51" is unclear, and "2021" likely denotes the year an article or discussion was published that talked about using this older software on modern computers. flexisign pro 75 v2 51 2021
Designing heat transfer vinyl (HTV) graphics for t-shirts and garments. Despite its age, the software contains robust tools
